function setOpacity( value , itemid ) {
try{
 document.getElementById(itemid).style.opacity = value / 10;
 document.getElementById(itemid).style.filter = 'alpha(opacity=' + value * 10 + ')';
 }catch (e){}
}

function fadeInMyPopup(itemid) {
 for( var i = 0 ; i <= 100 ; i++ )
   setTimeout( 'setOpacity(' + (i / 10) + ',\'' + itemid + '\')' , 8 * i );
}

function fadeOutMyPopup(itemid,orig,next) {
 for( var i = 0 ; i <= 100 ; i++ ) {
   setTimeout( 'setOpacity(' + (10 - i / 10) + ',\'' + itemid + '\')' , 8 * i );
 }

 setTimeout('doswap(' + orig + ',' + next +')', 800 );
}